/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.taverna.raven.plugins.ui;

import java.awt.Color;
import java.awt.Component;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;

import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.ListCellRenderer;
import javax.swing.border.AbstractBorder;

import uk.org.taverna.commons.plugin.PluginManager;

/**
 *
 * @author David Withers
 */
public class PluginListCellRenderer extends JPanel implements ListCellRenderer {

	private static final long serialVersionUID = 1L;

	private PluginManager pluginManager;

	private JLabel name = null;

	private JLabel description = null;

	private JLabel version = null;

	private JLabel status = null;
	private JLabel status2 = null;

	/**
	 * This is the default constructor
	 */
	public PluginListCellRenderer(PluginManager pluginManager) {
		super();
		this.pluginManager = pluginManager;
		initialize();
	}

	/**
	 * This method initializes this
	 *
	 * @return void
	 */
	private void initialize() {
		GridBagConstraints gridBagStatus = new GridBagConstraints();
		gridBagStatus.gridx = 0;
		gridBagStatus.gridwidth = 2;
		gridBagStatus.anchor = GridBagConstraints.NORTHWEST;
		gridBagStatus.insets = new Insets(3, 3, 3, 3);
		gridBagStatus.gridy = 2;

		GridBagConstraints gridBagStatus2 = new GridBagConstraints();
		gridBagStatus2.gridx = 0;
		gridBagStatus2.gridwidth = 2;
		gridBagStatus2.anchor = GridBagConstraints.NORTHWEST;
		gridBagStatus2.insets = new Insets(3, 3, 3, 3);
		gridBagStatus2.gridy = 3;

		status = new JLabel();
		status.setFont(getFont().deriveFont(Font.BOLD));
		status.setForeground(Color.BLUE);
		status.setText("status");
		status2 = new JLabel();
		status2.setFont(getFont().deriveFont(Font.BOLD));
		status2.setForeground(Color.RED);
		status2.setText("Status");


		GridBagConstraints gridBagVersion = new GridBagConstraints();
		gridBagVersion.gridx = 1;
		gridBagVersion.insets = new Insets(3, 8, 3, 3);
		gridBagVersion.anchor = GridBagConstraints.NORTHWEST;
		gridBagVersion.fill = GridBagConstraints.NONE;
		gridBagVersion.gridy = 0;

		version = new JLabel();
		version.setFont(getFont().deriveFont(Font.PLAIN));
		version.setText("Version");

		GridBagConstraints gridBagDescription = new GridBagConstraints();
		gridBagDescription.gridx = 0;
		gridBagDescription.anchor = GridBagConstraints.NORTHWEST;
		gridBagDescription.fill = GridBagConstraints.HORIZONTAL;
		gridBagDescription.weightx = 1.0;
		gridBagDescription.insets = new Insets(3, 3, 3, 3);
		gridBagDescription.gridwidth = 2;
		gridBagDescription.gridy = 1;
		description = new JLabel();
		description.setFont(getFont().deriveFont(Font.PLAIN));
		description.setText("Plugin description");

		GridBagConstraints gridBagName = new GridBagConstraints();
		gridBagName.gridx = 0;
		gridBagName.anchor = GridBagConstraints.NORTHWEST;
		gridBagName.fill = GridBagConstraints.NONE;
		gridBagName.weightx = 0.0;
		gridBagName.ipadx = 0;
		gridBagName.insets = new Insets(3, 3, 3, 3);
		gridBagName.gridwidth = 1;
		gridBagName.gridy = 0;
		name = new JLabel();
		name.setFont(getFont().deriveFont(Font.BOLD));
		name.setText("Plugin name");

		this.setSize(297, 97);
		this.setLayout(new GridBagLayout());
		this.setBorder(new AbstractBorder() {
			public void paintBorder(Component c, Graphics g, int x, int y,
					int width, int height) {
				Color oldColor = g.getColor();
				g.setColor(Color.LIGHT_GRAY);
				g.drawLine(x, y + height - 1, x + width - 1, y + height - 1);
				g.setColor(oldColor);
			}
		});
		this.add(name, gridBagName);
		this.add(description, gridBagDescription);
		this.add(version, gridBagVersion);
		this.add(status, gridBagStatus);
		this.add(status2,gridBagStatus2);
	}

	public Component getListCellRendererComponent(JList list, Object value,
			int index, boolean isSelected, boolean cellHasFocus) {
		if (isSelected) {
			setBackground(list.getSelectionBackground());
			setForeground(list.getSelectionForeground());
		} else {
			setBackground(list.getBackground());
			setForeground(list.getForeground());
		}

		if (value instanceof Plugin) {
			Plugin plugin = (Plugin) value;
			name.setText(plugin.getName());
			version.setText(plugin.getVersion());
			description.setText("<html>"+plugin.getDescription());

			status2.setText("");
			if (!plugin.isCompatible()) {
				status2.setText("This plugin is incompatible.");
			}

			status.setText("");
			if (pluginManager.isUpdateAvailable(plugin)) {
				status.setText("An update is available for this plugin");
			} else if (!plugin.isEnabled()) {
				status.setText("This plugin is disabled");
			}
		}
		return this;
	}
} // @jve:decl-index=0:visual-constraint="10,10"